86a6ab9b01
str | None union syntax requires Python 3.10+. Adding from __future__ import annotations makes all annotations lazy so the script can run on older Python and report the version requirement instead of crashing. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""
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Verify Python version, OS, and required packages before running the toolchain.
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Usage:
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python check_deps.py
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"""
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from __future__ import annotations # allows str | None syntax on Python < 3.10
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import importlib.metadata
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import sys
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# Must not import arma_modlist_tools here — that's what we're checking FOR.
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MIN_PYTHON = (3, 11)
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REQUIRED_PACKAGES = ["requests", "tqdm"]
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def _python_ok() -> bool:
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return sys.version_info >= MIN_PYTHON
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def _get_os_label() -> str:
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"""Inline OS detection — avoids importing compat before deps are confirmed."""
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import platform
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if sys.platform == "win32":
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if "Server" in platform.version() or "Server" in platform.uname().version:
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return "Windows Server"
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return "Windows"
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if sys.platform == "linux":
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try:
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with open("/etc/os-release", encoding="utf-8") as f:
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text = f.read().lower()
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if "ubuntu" in text:
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import os
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headless = not (os.environ.get("DISPLAY") or os.environ.get("WAYLAND_DISPLAY"))
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return "Ubuntu Server" if headless else "Ubuntu"
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except OSError:
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pass
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return "Linux"
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return "Unknown"
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def _pkg_version(name: str) -> str | None:
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try:
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return importlib.metadata.version(name)
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except importlib.metadata.PackageNotFoundError:
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return None
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def main() -> None:
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print()
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# Python version
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ver = sys.version.split()[0]
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py_ok = _python_ok()
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status = "OK" if py_ok else f"NEED >= {MIN_PYTHON[0]}.{MIN_PYTHON[1]}"
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print(f" {'Python':<14} {ver:<12} {status}")
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# OS
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os_label = _get_os_label()
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print(f" {'OS':<14} {os_label}")
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print()
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# Packages
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missing = []
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for pkg in REQUIRED_PACKAGES:
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v = _pkg_version(pkg)
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if v:
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print(f" {pkg:<14} {v:<12} OK")
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else:
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print(f" {pkg:<14} {'---':<12} MISSING")
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missing.append(pkg)
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print()
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if not py_ok:
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print(f" Python {MIN_PYTHON[0]}.{MIN_PYTHON[1]}+ is required.")
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sys.exit(1)
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if missing:
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print(f" {len(missing)} package(s) missing. Install with:")
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print(f" pip install {' '.join(missing)}")
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print()
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print(" Run check_deps.py again to verify.")
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sys.exit(1)
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print(" All checks passed. Ready to run.")
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print()
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if __name__ == "__main__":
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main()
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